Function test_update_rows_0_rows

python/pathway/tests/test_common.py:3756–3780

()

def test_update_rows_0_rows():
    old = T(
        """
            | pet  |  owner  | age
        """
    )
    update = T(
        """
            | pet |  owner  | age
        """
    )

    expected = T(
        """
            | pet  |  owner  | age
        """
    )
    with warns_here(
        match=re.escape(
            "Universe of self is a subset of universe of other in update_rows. "
            "Returning other."
        ),
    ):
        new = old.update_rows(update)
    assert_table_equality(new, expected)


def test_update_rows_columns_dont_match():